Download Engineer-To-Engineer Note EE-19 a
Transcript
Memory Maps For 2 ADSP 2115 Systems (512 words of program memory) ROM Address DSP Address 0x0000 Boot Page 0 0x0800 Boot Page 1 0x1000 Boot Page 2 0x0000 0x1000 Boot Page 3 0x2000 Boot Page 4 0x2800 Boot Page 5 0x6000 0x3000 Boot Page 6 0x3800 Boot Page 7 0x4000 0xC000 0x4800 0x8800 0x9000 0x9800 0xA000 Boot Boot Boot Boot Boot Page Page Page Page Page 0 1 2 3 4 0x0000 Boot Page 0 0x0000 0x2000 Boot Page 1 0x2000 0x4000 Boot Page 2 0x4000 0x6000 Boot Page 3 0x6000 0x8000 Boot Page 4 0x8000 0xA000 Boot Page 5 0xA000 0xC000 Boot Page 6 0xC000 0xE000 Boot Page 7 0xE000 0xFFFF 0xFFFF 0x2000 0x4000 0x8000 0xA000 0xE000 0xFFFF 0x0000 0x0800 Bank 0 External Program/ Data Memory 0x8000 DSP Address ROM Address 0x3FFF 0x0000 0x2000 0x4000 0x6000 0x8000 0xA800 Boot Page 5 0xB000 Boot Page 6 0xB800 Boot Page 7 0xA000 0xC000 0x4000 0xC800 0x4800 0xC000 0xE000 Bank 1 External Program/ Data Memory Figure 1: Memory Map - Highly Excellent Boot-Memory 0xFFFF 0x3FFF Interface Mapped into BM Mapped into BM Mapped into PM & DM Unused Unused Figure 2: Memory Map - Basic Boot Memory Interface with 2048 byte boot-pages EN-19 Page 5 Technical Notes on using Analog Devices’ DSP components and development tools Phone: (800) ANALOG-D, FAX: (781) 461-3010, FTP: ftp.analog.com, EMAIL: [email protected]